Sounds like he was just going to run in the lead pack and then coast it in, but he ended up regaining time on the leaders after being dropped and then pushed it a bit to close it out. He is signed up for a 10,000m in 2 weeks, so clearly he doesn't feel too bad post-race.
It's unclear whether his nipples will ever recover from this, and it may cost him down the line.
He used a cigar cutter on them pre race. So maybe it was part of his preparation